From c93bef9323f5a9ede9a4d140d030afb22330b550 Mon Sep 17 00:00:00 2001 From: Meng Dongyang Date: Wed, 28 Jun 2017 19:22:44 +0800 Subject: [PATCH] rockchip: rk3328: board: add support of dwc2 gadget Probe dwc2 udc in the function of board_usb_start to enable usb gadget function. Signed-off-by: Meng Dongyang Reviewed-by: Simon Glass Reviewed-by: Philipp Tomsich Acked-by: Philipp Tomsich --- board/rockchip/evb_rk3328/evb-rk3328.c | 42 ++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/board/rockchip/evb_rk3328/evb-rk3328.c b/board/rockchip/evb_rk3328/evb-rk3328.c index bb2936352a..4d2a8c73bd 100644 --- a/board/rockchip/evb_rk3328/evb-rk3328.c +++ b/board/rockchip/evb_rk3328/evb-rk3328.c @@ -16,7 +16,49 @@ int board_init(void) return 0; } +#if defined(CONFIG_USB_GADGET) && defined(CONFIG_USB_GADGET_DWC2_OTG) +#include +#include + +static struct dwc2_plat_otg_data rk3328_otg_data = { + .rx_fifo_sz = 512, + .np_tx_fifo_sz = 16, + .tx_fifo_sz = 128, +}; + int board_usb_init(int index, enum usb_init_type init) +{ + int node; + const char *mode; + bool matched = false; + const void *blob = gd->fdt_blob; + + /* find the usb_otg node */ + node = fdt_node_offset_by_compatible(blob, -1, + "rockchip,rk3328-usb"); + + while (node > 0) { + mode = fdt_getprop(blob, node, "dr_mode", NULL); + if (mode && strcmp(mode, "otg") == 0) { + matched = true; + break; + } + + node = fdt_node_offset_by_compatible(blob, node, + "rockchip,rk3328-usb"); + } + if (!matched) { + debug("Not found usb_otg device\n"); + return -ENODEV; + } + + rk3328_otg_data.regs_otg = fdtdec_get_addr(blob, node, "reg"); + + return dwc2_udc_probe(&rk3328_otg_data); +} + +int board_usb_cleanup(int index, enum usb_init_type init) { return 0; } +#endif -- 2.39.5